FLSR.100ID - FLSR_ID Series Indicator Fuse The Littelfuse FLSR.100ID fuse from the FLSR_ID Series is a Class RK5 dual-element, time-delay fuse designed for advanced short circuit and overload protection in electrical distribution and motor control circuits. This indicator fuse provides a visual blown fuse indication at a glance, enhancing safety and reducing downtime in industrial and commercial electrical applications. It is suitable for use in service entrance switches, transformers, switchboard mains and feeders, and motor branch circuits, making it a reliable component for electrical distributors, lighting solutions providers, wire and cable systems, and switchgear suppliers. Specifications Amperage Rating: 0.1 A Voltage Rating AC: 600 V Voltage Rating DC: 300 V Interrupting Rating AC: 300 kA rms symmetrical (Littelfuse self-certified) Interrupting Rating DC: 20 kA Approvals: UL Listed (File: E81895), CSA Certified (File: LR29862), Federal Specification WF-1814 (QPL-W-F-1814) Product Weight: 0.6060 lbs Manufacturer: Littelfuse Manufacturer Part Number: FLSR.100ID Features Visual blown fuse indication for quick and reliable status assessment Patented solid state design ensuring maximum reliability True dual-element design providing superior performance for overload and short circuit protection Reduces downtime and nuisance openings, improving operational safety Current limiting capability Time-delay characteristic suitable for motor circuits and general purpose applications Downloads & Links FLNR and FLSR Series Datasheet UL JDDZ E81895 CSA 1422-02 029862